63547948464 has 160 divisors (see below), whose sum is σ = 220418225664. Its totient is φ = 15236259840.

The previous prime is 63547948459. The next prime is 63547948493. The reversal of 63547948464 is 46484974536.

It is a junction number, because it is equal to n+sod(n) for n = 63547948398 and 63547948407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 613249 + ... + 709344.

Almost surely, 2^63547948464 is an apocalyptic number.

It is an amenable number.

63547948464 is an abundant number, since it is smaller than the sum of its proper divisors (156870277200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63547948464 is a wasteful number, since it uses less digits than its factorization.

63547948464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322635 (or 1322629 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 60.

The spelling of 63547948464 in words is "sixty-three billion, five hundred forty-seven million, nine hundred forty-eight thousand, four hundred sixty-four".